Revisiting the Ullmann-ether reaction: A concise and amenable synthesis of novel dibenzoxepino [4, 5-d] pyrazoles by intramolecular etheration of 4, 5-(o, o'- …

R Olivera, R SanMartin, F Churruca…

Index: Burden, Peter M.; Capper, Hugh R.; Allan, Robin D.; Johnston, Graham A. R. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1991 , # 12 p. 3291 - 3294

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Citation Number: 49

Abstract

... The Journal of Organic ... 67 (21), pp 7215–7225. DOI: 10.1021/jo025767j. Publication Date (Web): September 19, 2002. Copyright © 2002 American Chemical Society. ... 11 we envisioned the preparation of a new type of pyrazolo-fused compounds, dibenzoxepino[4,5-d]pyrazoles 1 ...